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Sodium Hydroxide

Sodium Hydroxide
⚗️ pH adjuster ↗

Highly alkaline ingredient used in cosmetics primarily to adjust and control pH.

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Safety: Although it is corrosive in its pure concentrated form, the tiny amounts used in skincare products are carefully controlled to ensure the final product is safe and skin-friendly.
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Comedogenic rating(likelihood of clogging pores)
0/5 — Will not clog pores
✓ Does not disqualify fragrance-free, alcohol-free, SLS-free or paraben-free claims
Common names & aliases
LyeCaustic SodaNaOH
Functions
⚗️ pH adjuster
Keeps the formula at the correct pH for skin safety and stability.
Similar ingredientsSame function — click a category above to see full A–Z list
Carbomer
Carbopol
Citric Acid
Lactic Acid
2-Hydroxypropanoic Acid
Triethanolamine
TEA
Aminomethyl Propanol
AMP
Sodium Citrate
Potassium Hydroxide
Caustic Potash
Dipotassium Phosphate
Found in these products
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Rich Night Cream
Cetaphil
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Gentle Exfoliating Salicylic Acid Cleanser
Cetaphil
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Skin Renewing Peptide Cream
CeraVe
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Gentle Exfoliating Salicylic Acid Cleanser
Cetaphil
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Hydrating Foaming Oil Cleanser
CeraVe
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Hydrating Foaming Oil Cleanser
CeraVe
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Calm + Restore Oat Rich Cream
Aveeno
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Calm + Restore Rehydrating Night Cream
Aveeno
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Calm + Restore Moisturising Lotion SPF 50
Aveeno
Key ingredient🧴
Daily Moisture Lotion Fragrance-Free
Lubriderm